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tox@tceq.texas.gov
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About the Chemicals Under Consideration for Toxicity Factor Development

The Toxicology Division plans to publish a list of chemicals under consideration for toxicity factor development at the TCEQ's Web site at least yearly and encourages interested parties to submit relevant technical data.

New InformationA new public comment period has begun for 5 proposed DSDs
Hot InformationThe public comment period for the cadmium and cadmium compounds proposed DSD has begun
Hot InformationThe Toxicology Division is requesting toxicity information for cobalt through August 19, 2016

How Chemicals are Selected

Chemicals are selected for one or more of the following reasons:

    • they have been detected in air monitoring
    • permits are frequently issued for them
    • the public has expressed concerns about them

The Toxicology Division Is Requesting Toxicity Information

Hot InformationThe Toxicology Division is requesting toxicity information for cobalt. If you have toxicity data that you would like to be considered in developing the cobalt DSD, please submit it by e-mail to tox@tceq.texas.gov or by mail (must be received at the TCEQ no later than 8/19/16) to:

Regular mail:

Toxicology Division, MC 168

Texas Commission on Environmental Quality

P.O. Box 13087

Austin, TX 78711-3087

Mail delivery services:

Toxicology Division, MC 168

Texas Commission on Environmental Quality

12100 Park 35 Circle, Bldg. F

Austin, TX 78753

Contact the TCEQ About DSDs and Fact Sheets


Call:
877-992-8370 (toll free) or 512-239-1795

E-mail: tox@tceq.texas.gov

Write: Texas Commission on Environmental Quality

Toxicology Division, MC 168

P.O. Box 13087

Austin, TX 78711-3087

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Instructions on how to join the Toxicology Announcement List.

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